Move validation to the top

includes/integrations/maxmind-geolocation/class-wc-integration-maxmind-geolocation.php

@@ -132,14 +132,14 @@ class WC_Integration_MaxMind_Geolocation extends WC_Integration {
 	 * @throws Exception When the license key is invalid.
 	 */
 	public function validate_license_key_field( $key, $value ) {
-		// Empty license keys have no need to validate the data.
+		// Trim whitespaces and strip slashes.
+		$value = $this->validate_password_field( $key, $value );
+
+		// Empty license keys have no need test downloading a database.
 		if ( empty( $value ) ) {
 			return $value;
 		}
 
-		// Trim whitespaces and strip slashes.
-		$value = $this->validate_password_field( $key, $value );
-
 		// Check the license key by attempting to download the Geolocation database.
 		$tmp_database_path = $this->database_service->download_database( $value );
 		if ( is_wp_error( $tmp_database_path ) ) {